Finding the Fourth Proportional to 3,817,763,825.90, 5,268,431,358.74 and 2,210,286,553.98
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Solution
The fourth proportional to 3,817,763,825.90, 5,268,431,358.74 and 2,210,286,553.98 is: 3,050,147,553.34
Step by Step Solution
- Step 1: Write the proportion equation
3,817,763,825.90 : 5,268,431,358.74 = 2,210,286,553.98 : x - Step 2: Convert to fraction form
3,817,763,825.90/5,268,431,358.74 = 2,210,286,553.98/x - Step 3: Cross multiply
3,817,763,825.90x = 5,268,431,358.74 × 2,210,286,553.98 - Step 4: Simplify right side
3,817,763,825.90x = 11,644,742,992,792,236,032 - Step 5: Solve for x
x = 11,644,742,992,792,236,032/3,817,763,825.90 - Step 6: Final answer
x = 3,050,147,553.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.